Question

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A solid cuboidal piece of wood measures 3m x 2.5 m x 8 cm. Find the weight of the piece if 1 cm³ of wood weighs 9 grams.​​

Answer 1

Answer:

3 × 2.5× 8

60cm3

60× 9

540 gram

weight= mg

0.54kg× 9.8

= 5.292 Newton

Answer 2

Answer:

$first\: we \: find \: volume \: l \times b \times h \\ 3 \times 2.5 \times 8 = 60 \\ now \: multiple \: by \: 9 \: to \: find \: weight \\ =9 \times 60 \\ Ans=540 grams$